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IV –
21
PC1
PC2
P3
P2
P4
P1
SW1
1.16 Relay PCB
(1)
Remove the screw.
(2)
Slightly lift up the relay PCB and disconnect the following four things:
• Toner sensor harness (4-pin), P4
• Laser diode harness (5-pin), P3
• Polygon motor flat cable (5-pin), P2
• Relay–high-voltage flat cable (12-pin), P1
Registration sensor
Polygon motor flat cable
Sheet feeder cover sensor
Cover sensor
Relay–high-voltage flat cable
This corner should come directly
under the shield bracket.
Relay PCB
Toner sensor harness
Toner sensor
harness
Laser diode
harness
Shield bracket
■
Reassembling Notes
•
When reinstalling the relay PCB, be sure that corner "X" shown above comes directly un-
der the shield bracket.
"X"
Polygon motor flat cable
Laser diode harness
Relay–high-voltage
flat cable
Содержание MFC 4550
Страница 5: ...CHAPTER I GENERAL DESCRIPTION ...
Страница 14: ...CHAPTER II INSTALLATION ...
Страница 15: ...CONTENTS 1 INSTALLING THE UPDATE DATA TO THE FACSIMILE EQUIPMENT II 1 ...
Страница 18: ...CHAPTER III THEORY OF OPERATION ...
Страница 49: ...CHAPTER IV DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Страница 81: ...CHAPTER V MAINTENANCE MODE ...
Страница 89: ...V 7 Scanning Compensation Data List 200 dpi ...
Страница 133: ...CHAPTER VI ERROR INDICATION AND TROUBLESHOOTING ...
Страница 163: ...MAIN 8 8 FAX3550 3650 8000P 8200P MFC4550 6550MC 7550MC MFC9000 9500 A ...
Страница 185: ...D CONTROL PANEL 1 2 ...
Страница 187: ...E POWER SUPPLY 120 V Low voltage power supply ...
Страница 188: ...E POWER SUPPLY 200 240 V Low voltage power supply European versions ...
Страница 189: ...E POWER SUPPLY 200 240 V Low voltage power supply Asian versions ...
Страница 190: ...E POWER SUPPLY High voltage power supply ...
Страница 191: ...Sept 98 5X52012 Printed in Japan ...